U.S. President Barack Obama authorizes air strikes against Islamic State militants for situations in which the forces appear to threaten U.S. personnel; food drops were also carried out along the Syrian border to civilians trapped by the violence

Tennis champion Serena Williams beats Karolina Pliskova in her first game since leaving the Wimbledon games on July 1st due to illness; Williams will undergo future medical tests to confirm whether the illness was caused by a virus